condition	mean	min	max
4 h after light	0.9889355	0.98509	0.992781
8 h after light	1.3635	1.03416	1.69284
12 h after light	1.12897	1.06657	1.19137
4 h after dark	1.581245	1.56788	1.59461
8 h after dark	1.199605	1.16982	1.22939
12 h after dark	1.2459	1.03941	1.45239